A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5910-00-965-7139
NSN 6145-01-185-7803
NSN 2925-00-918-0859
NSN 6145-00-301-9124
NSN 5975-01-520-3218
NSN 6150-00-486-4081
NSN 5855-01-554-5794
NSN 6130-00-408-5055
NSN 6105-01-293-1337
NSN 6105-00-500-4947
NSN 6685-00-948-3270
NSN 5996-01-592-3011